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Heavy-Grip Rubber Wheels for Sumo Robot Traction and Power Transfer
The JSumo JS4030 Rubber Wheel Pair is built for robot makers who need more grip, more contact area, and stronger wheel structure for larger or more aggressive robot projects. JSumo presents this model as a high-quality sumo robot wheel used in competition-style builds.
These wheels use beautifully machined aluminum hubs with a strong rubber tire that is directly molded to the hub by vulcanization, helping create a stronger and harder wheel assembly for demanding robot use.
Original JSumo product: We list this item as a distributor, so the product title now starts with JSumo for clearer brand matching.
Why it matters: When you need better traction and stronger wheel construction for a sumo or combat-style build, larger rubber wheels like the JS4030 can make a major difference.
Why you'll love it
- Strong traction: Rubber tire is built for powerful robot grip
- Vulcanized construction: Helps make the tire-to-hub connection stronger
- Competition oriented: Recommended for sumo robot projects
- Large contact area: Useful for higher-force pushing robots
- Machined aluminum hub: Better rigidity and wheel stability
What you can build
The JS4030 is ideal for sumo robots, combat robots, magnetic robot platforms, and custom drive systems that need more traction and a wider wheel footprint.
Starter bundles
Pair it with a gearmotor, motor mounting hardware, a robot controller, and a strong robot chassis for a complete drive setup.
Recommended add-ons
Useful add-ons include spare setscrews, mounting screws, robot gears, and high-current motor drivers for more powerful robot builds.
Technical specifications
| Product | JSumo Robot Wheel 40x30mm Pair (JS4030) |
|---|---|
| Product Code | JS15474 |
| Wheel Diameter | 40 mm |
| Wheel Width | 30 mm |
| Weight | 63 g each |
| Hardness | 64 Shore A |
| Center Hole Diameter | 6 mm |
| Gear Montage Holes | M3 tapped |
| Setscrew | Yes, M4 tapped |
Pinout & usage notes
These wheels are best matched with robots that can take advantage of their wider profile and traction. Make sure your shaft size, mounting pattern, and motor torque are compatible with the wheel system you plan to use.
What’s in the box
2 × JS4030 wheels, 2 × M4 setscrews, 1 × Allen wrench
Compare with related JSumo wheel options
| Product | Size | Shaft / hub fit | Best for |
|---|---|---|---|
| JSumo JS2622 Silicone Wheel Pair | 26.5 × 22 mm | 3 mm | Compact mini sumo and line follower builds |
| JSumo SLT20P Silicone Wheel Pair | 33 × 20 mm | Fits 12/15/16 mm gearbox motors | Heavy-grip mini sumo builds |
| JSumo Atom Silicone Wheel 37x34mm Pair | 37 × 34 mm | 3 mm | Wide traction for lighter robots |
| JSumo JS4311 Aluminum - Silicone Wheel Set (43 x 11mm - Pair) | 43 × 11 mm | 3 mm | Thin wheel profile for light robots |
| JSumo JS4320 Aluminum - Silicone Wheel Pair (43mm x 20mm) Pair (4mm Hole) | 43 × 20 mm | 4 mm | Non-magnetic sumo and small combat robots |
| JSumo JS4030 Rubber Wheel Pair | 40 × 30 mm | 6 mm | Larger traction wheel for stronger pushing robots |
Frequently Asked Questions
Are these for sumo robots? Yes. JSumo describes them as high-quality wheels for sumo robot projects.
What size are they? They are 40 mm in diameter and 30 mm wide.
What is special about the tire? The rubber tire is molded to the aluminum hub by vulcanization for stronger construction.
Do they include mounting accessories? Yes. JSumo lists setscrews and an Allen wrench with the wheel pair.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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